FR727850A - Incandescent lamp giving two-tone light - Google Patents

Incandescent lamp giving two-tone light

Info

Publication number
FR727850A
FR727850A FR727850DA FR727850A FR 727850 A FR727850 A FR 727850A FR 727850D A FR727850D A FR 727850DA FR 727850 A FR727850 A FR 727850A
Authority
FR
France
Prior art keywords
incandescent lamp
tone light
lamp giving
giving
tone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Frederick Brunner
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR727850A publication Critical patent/FR727850A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
FR727850D 1931-12-04 1931-12-04 Incandescent lamp giving two-tone light Expired FR727850A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR727850T 1931-12-04

Publications (1)

Publication Number Publication Date
FR727850A true FR727850A (en) 1932-06-24

Family

ID=9111538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727850D Expired FR727850A (en) 1931-12-04 1931-12-04 Incandescent lamp giving two-tone light

Country Status (1)

Country Link
FR (1) FR727850A (en)

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